GMC S15 Pickup 2WD: MPG and fuel economy by year
The EPA has rated the GMC S15 Pickup 2WD across 7 model years, from the 1984 GMC S15 Pickup 2WD through the 1990 GMC S15 Pickup 2WD. The most recent 1990 GMC S15 Pickup 2WD returns 22 combined MPG. The most efficient model year was the 1984 GMC S15 Pickup 2WD at 29 MPG.
Pick a year below to open the full GMC S15 Pickup 2WD page for that model year. Each year page covers combined, city, and highway MPG, the trim variants the EPA rates separately, the annual fuel cost across three driving patterns, and a year-over-year comparison so you can see whether the car has improved.
Fuel economy by model year
Combined MPG, city MPG, highway MPG, and the EPA's estimated annual fuel cost for every model year of the GMC S15 Pickup 2WD. Click any year to see the full breakdown for that model year, including trim variants, the drivetrain, and a comparison against other vehicles in its segment.
| Year | Model | Combined MPG | City | Highway | Annual fuel cost |
|---|---|---|---|---|---|
| 1990 | 1990 GMC S15 Pickup 2WD | 22 MPG | 21 MPG | 25 MPG | $2,700 |
| 1989 | 1989 GMC S15 Pickup 2WD | 22 MPG | 20 MPG | 24 MPG | $2,700 |
| 1988 | 1988 GMC S15 Pickup 2WD | 23 MPG | 21 MPG | 27 MPG | $2,600 |
| 1987 | 1987 GMC S15 Pickup 2WD | 22 MPG | 20 MPG | 26 MPG | $2,700 |
| 1986 | 1986 GMC S15 Pickup 2WD | 24 MPG | 21 MPG | 28 MPG | $2,500 |
| 1985 | 1985 GMC S15 Pickup 2WD | 28 MPG | 26 MPG | 31 MPG | $2,900 |
| 1984 | 1984 GMC S15 Pickup 2WD | 29 MPG | 26 MPG | 32 MPG | $2,800 |
How the GMC S15 Pickup 2WD compares against the Small Pickup Trucks class
Buyers usually compare the GMC S15 Pickup 2WD against other cars in the same EPA class. The list below shows the most efficient cars in the Small Pickup Trucks class for the 1990 model year, the latest year on this page. Each link opens the full page for that car.
Source: U.S. EPA fuel economy dataset. Annual fuel cost assumes 15,000 miles of driving per year and a 55% city, 45% highway split.